body,
div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
code,
form,
fieldset,
legend,
input,
textarea,
p,
blockquote,
th,
td,
hr,
button,
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    font: inherit;
    vertical-align: baseline;
}

body {
    font: 16px "微软雅黑";
}

ul,
ol,
li {
    list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-size: 16px;
    font-weight: normal;
}

b,
strong {
    font-weight: normal;
}

i,
em {
    font-style: normal;
}

a,
u,
del,
ins {
    text-decoration: none;
}

img {
    border: 0;
    display: block;
}

input,
fieldset,
button {
    outline: none;
    border: 0;
}

a {
    color: #000;
}


/* 版心 */

.wrapper {
    /* width: 1720px; */
    margin: auto;
}


/* 清除浮动 */

.clear_fix::after {
    content: "";
    clear: both;
    height: 0;
    overflow: hidden;
    display: block;
    visibility: hidden;
}